Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1990-12-13
pubmed:abstractText
The presence in serum of anti-Ro/SS-A and/or anti-La/SS-B autoantibodies is a characteristic of autoimmune diseases such as Sjögren's syndrome and systemic lupus erythematosus. To evaluate different assays currently available for the detection of these antibodies 50 sera were tested using the four different assay methods: counterimmunoelectrophoresis (CIE), RNA precipitation assay, immunoblotting technique and ELISA. The RNA-precipitation assay showed the highest sensitivity and specificity. The CIE for the detection of anti-Ro/SS-A antibodies gave comparable results whereas the Ro/SS-A ELISA and Ro/SS-A or HeLa immunoblot showed lower sensitivities (96% and 80% respectively). Sensitivity was even lower (66%) when only reactivity towards the 60 kDa Ro/SS-A protein was considered. The ELISA for the detection of anti-La/SS-B antibodies showed a sensitivity of 98%, the immunoblotting technique of 86% and the CIE only 67%. The high sensitivity of the La/SS-B ELISA went together with a low specificity of 14%. We conclude from these data that for the detection of anti-Ro/SS-A and anti-La/SS-B antibodies the RNA precipitation assay shows the highest sensitivity and highest specificity. For routine screening purposes the CIE is the most convenient and reliable assay to detect anti-Ro/SS-A antibodies. For the detection of anti-La/SS-B antibodies the immunoblot corresponds most closely to the RNA precipitation assay.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0022-1759
pubmed:author
pubmed:issnType
Print
pubmed:day
19
pubmed:volume
133
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
215-26
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
The detection of anti-Ro/SS-A and anti-La/SS-B antibodies. A comparison of counterimmunoelectrophoresis with immunoblot, ELISA, and RNA-precipitation assays.
pubmed:affiliation
Central Laboratory of The Netherlands Red Cross Blood Transfusion Service, Amsterdam.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't